Overview

• Passenger service on the full corridor began on October 9 at 5:55 a.m., with peak headways of about five minutes, fares from ₹10 to ₹70, and last departures at 10:30 p.m.
• MMRC reported 1,56,456 commuters on Day 1, with strong flows at CSMT, Churchgate and Vidhan Bhavan and a brief gate closure for crowd control during the evening rush.
• The line connects major hubs including CSMT, Churchgate, Mumbai Central, both airport terminals, BKC, Nariman Point and Fort, consolidating 27 stations with platform screen doors.
• Early glitches included lack of mobile and Wi‑Fi coverage underground disrupting UPI and app ticketing, some non‑functional ticket machines and escalators, long queues, and initial issues on the Mumbai One app.
• Built at a total cost of about ₹37,276 crore (Phase II‑B ₹12,195 crore) with JICA support, the corridor is projected to shift roughly 15% of load from suburban rail and cut an estimated 6.65 lakh vehicle trips and 3.54 lakh litres of daily fuel use.